Permutation-lock.



J. KASZEWSKI.

PERMUTATION LOCK.

APPLICATION FILED Mum, 1914.

1,1 28,886. Patented Jan.5,1915.

THE NORRIS PETERS C0,. PHOTO-LITHQ, WASHINGTON. D c

JOHN KASZEWSKI, OF CHICAGO, ILLINOIS.

, PERMUTATION-LOCK.

Specification of Letters Patent.

Patented Jan. 5, 1915.

Application filed May 22 1914. Serial No. 840,371.

To all whom it may concern:

Be it known that I, JOHN KAsznwsKI, a subject of the Czar of Russia, and resident of Grand Crossing, city of Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Permutation-Locks, of which the following is a specification.

This invention relates to looks and particularly to looks of the permutation type, so that a key is not required for the purpose of unlocking the same.

An object of the present invention is to provide novel means whereby the shackle is held in locked position by means of rotatable members which require to be moved to certain positions of adjustment with relation to each other to release the shackle, the said invention consisting of the novel means for operating the shackle holding members for effecting their adjustment.

1V ith the foregoing and other objects in view, the invention consists in the details of construction and in the arrangement and combination of parts to be hereinafter more fully set forth and claimed.

in describing the invention in detail, reference will be had to the accompanying drawings forming part of this specification wherein like characters denote corresponding parts in the several views, and in which Figure 1 illustrates a view in elevation of a lock, being broken away to show the connection of the shackle with the locking means; Fig. 2 illustrates a View in elevation of the opposite side of the lock, the casing being broken away to show one of the looking disks; Fig. 3 illustrates a view in elevation of the edge of the lock; Fig. 4 illustrates a central vertical sectional view with the spindle in elevation; Fig. 5 illustrates a pers ective view of a fragment of the shackle; Fig. 6 illustrates a perspective view of a fragment of the shackle holding disks; and Fig. 7 illustrates a perspective view of the disk operating tool or implement.

In these drawings, I have shown the lock casing as comprising two plates 8 and 9 connected together by a circular metallic member 10 which, with the side plates, constitutes the casing, as stated. The side plates have ears 11 and 12 respectively, to which the shackle 13 is connected by the pivot 14 so that the said shackle may swing with relation to the casing. The end of the shackle remote from the pivot has notches l5 and 16 therein for a purpose to be presently explained. A spindle 17 has a reduced end 18 which is rotatable in the plate 8 of the casing, the said spindle having a squared portion 19 which enters an aperture 20 formed in the locking disk 21, which locking disk is rotatable in the casing and has an inwardly extending flange 22 adapted to travel in the recess 15 of the shackle when the said shackle is applied to the casing.

For the purpose of permitting the end of the shackle to enter the casing and pass the disk, the flange 20 is recessed as at 23 to form a clearance for the end of the shackle. Within the casing there is a disk 24 which cooperates with the disk 21 and the disk 24 is likewise provided with a flange 25 and a recess 26 which must aline or register with a recess 23 prior to the admission of the shackle to the casing. As shown in the drawing, the disk 24 has an aperture 27 and there is a flange 28 integral with the disk 24, said flange being annular to form a bearing for the spindle 17 The flange 28 extends through an aperture 29 of the plate 9, and the said flange terminates in a bead 30 provided with recesses 31 and 32 forming seats for a tool which is manipulated to rotate the disk 24 on the spindle 17 and in the aperture of the plate 9. One end of the spindle is notched as at 33 to form seats, for the lugs 34 of the tool 35, which tool 35 is intended to operate either of the disks according to whether the lugs 34 are caused to enter the recesses 33 in the end of the spindle or whether the lugs 36 thereof are caused to enter the notches 31 and 32 in the bead of the flange.

The plate 8 has an aperture 37 guarded by a shutter 38 and the plate 9 has an aperture 39 guarded by a shutter and these apertures are for the purpose of viewing sets of numerals such as 40 which are provided on the outer faces of each of the disks 21 and 24.

It is obvious from the foregoing description that if the tool 35 is operated to turn either of the disks, the said disks may be rotated until the proper number is exposed at the opening of the plate with which the disk is associated and by the use of these numbers the positions of the notches of the disks may be determined, it being the purpose of the inventor that the notches shall be made to aline when arbitrary numbers are in alinement with the openings in the plates and furthermore that the recesses in the disks shall likewise aline with the end of the shackle so that the shackle may be disengaged from the disks. By manipulating the lock for the purpose of opening it therefore, it is necessary that the positions of the recesses in the flanges of the disks shall be properly positioned and unless so positioned, the lock cannot be opened.

By reason of the construction a comparatively inexpensive lock may be produced which will be found eflicient and satisfactory in use.

I claim In a look, a casing including side plates having apertures therein, a spindle rotatably mounted in the aperture of one of the plates, a disk having a flange extending through and rotatable in the aperture of the other plate, a head on the flange, said head having seats therein for receiving a disk operating tool, a flange extending inwardly from the face of the disk, said flange having a notch, the spindle having a squared portion, a disk mounted on said squared portion and rotated by the spindle, said disk having a flange provided with a recess adapted to aline with the recess of the flange of the first mentioned disk, a shackle, means for pivotally mounting the shackle to the casing, said shackle having recesses in its ends adapted to receive the flanges of the disks and the end of the spindle having a recess therein adapted to form a socket for the reception of a spindle operating tool, and designations on the faces of the disks adapted to indicate the positions of the notches of the flanges of the disks with relation to each other.

In testimony whereof, I aflix my signature in the presence of two witnesses.

JOHN KASZEWSKI. Witnesses:

Tonoon KWHooRzYK, DEDRIZY MURIALINEKI.

Gopies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington. D. 0. 

